Picnic/party cooler



FIG. 1 is a three-quarter front pictorial view of an embodiment of a picnic/party cooler according to my new design;

FIG. 2 is a front elevational view of the embodiment and is also a mirror image of a rear elevational view;

FIG. 3 is a top plan view of the embodiment;

FIG. 4 is a bottom plan view of the embodiment;

FIG. 5 is an elevational view of the right end of the embodiment; and,

FIG. 6 is an elevational view of the left end of the embodiment.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a picnic/party cooler, as shown and described. 